How can washing soda be obtained?

How many triangles can be obtained when the vertices of a hexagon are joined?

How many triangles can be obtained by joining the vertices of a quadrilateral?

SELECT THE CORRECT ANSWER : A molecule of washing soda contains five/ten molecules of water crystallisation .

How much copper can be obtained from 200g CuSO_4 ?

What is Hall-Heroult process? How many Al can be obtained by burning about 1kg carbon anode?

Name the different forms of energy which can be obtained from seas and oceans.

How is baking soda prepared?

Nearly how much work can be obtained from 250 calories of. heat ?